Finding the Fourth Proportional to 418,974.08, 578,083.42 and 246,899.08
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Solution
The fourth proportional to 418,974.08, 578,083.42 and 246,899.08 is: 340,661.32
Step by Step Solution
- Step 1: Write the proportion equation
418,974.08 : 578,083.42 = 246,899.08 : x - Step 2: Convert to fraction form
418,974.08/578,083.42 = 246,899.08/x - Step 3: Cross multiply
418,974.08x = 578,083.42 × 246,899.08 - Step 4: Simplify right side
418,974.08x = 142,728,262,498.80 - Step 5: Solve for x
x = 142,728,262,498.80/418,974.08 - Step 6: Final answer
x = 340,661.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.